G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 29/14 (2006.01)
Patent
CA 2201229
The disclosed nondestructive inspection method of inspecting a securing defect of a polymer insulator having an FRP (Fiber Reinforced Plastic) core, an outer cover portion arranged around the FRP core, and at least one metal member secured to at least one end of the FRP core, includes the steps of; measuring an acoustic emission signal generated when the metal member is secured to the FRP core by using compression dies; and determining whether or not the securing defect is generated on the basis of the acoustic emission signal in process. Moreover, the disclosed apparatus performs the nondestructive inspection method mentioned above.
Hori Masahiro
Nakamura Itushi
Okawa Yasushi
Suzuki Tomio
Ngk Insulators Ltd.
Smart & Biggar
LandOfFree
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